On the Startup tab, right-click each enabled startup item and select Disable.

Click OK.

Click Restart.

After completing your troubleshooting, restore your system by doing the following:

Press the “Windows + R” key to open a Run box.

Type msconfig and click OK.

On the General tab, select Normal startup.

Click the Services tab.

Clear the Hide all Microsoft services check box.

Click Enable all.

Click the Startup tab.

Click Open Task Manager and enable all of your startup programs.

Click OK.

Click Restart.

NOTE: Be sure you “Enable all” Microsoft services when you are done troubleshooting, and re-enable all programs in the Startup tab, or will you lose some OS functions (ex. internet connection) and some applications won’t get loaded during startup.

Clean boot in Windows 7 and Vista

To perform a clean boot in Windows 7 or Vista:

Click Start and type msconfig in the search box.

Press Enter.

On the General tab, click Selective startup.

Clear the Load startup items check box.

Click the Services tab.

Select the Hide all Microsoft services check box (at the bottom).

Click Disable all.

Click OK.

Click Restart.

After completing your troubleshooting, restore your system by doing the following:

Click Start and type msconfig in the search box.

Press Enter.

On the General tab, select Normal startup.

Click OK.

Click Yes when asked to restart your computer.

Clean boot in Windows XP

To perform a clean boot in Windows XP:

Click Start > Run, type msconfig and then click OK.

On the General tab, choose Selective Startup.

Clear the following check boxes:

Process SYSTEM.INI file

Process WIN.INI file

Load Startup items

Click the Services tab.

Select the Hide All Microsoft services check box (at the bottom).

Click Disable all.

Click OK.

Click Restart.

After completing your troubleshooting, restore your system by doing the following: